10213204321 has 4 divisors (see below), whose sum is σ = 10213701552. Its totient is φ = 10212707092.

The previous prime is 10213204277. The next prime is 10213204327. The reversal of 10213204321 is 12340231201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12340231201 = 17 ⋅725895953.

It is a cyclic number.

It is not a de Polignac number, because 10213204321 - 2⁷ = 10213204193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10213204327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216415 + ... + 259348.

It is an arithmetic number, because the mean of its divisors is an integer number (2553425388).

Almost surely, 2^10213204321 is an apocalyptic number.

It is an amenable number.

10213204321 is a deficient number, since it is larger than the sum of its proper divisors (497231).

10213204321 is an equidigital number, since it uses as much as digits as its factorization.

10213204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497230.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10213204321 its reverse (12340231201), we get a palindrome (22553435522).

The spelling of 10213204321 in words is "ten billion, two hundred thirteen million, two hundred four thousand, three hundred twenty-one".